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Rear Lid Damper

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98151255107
Product Information
Product Information
Rear lid dumper
The Genuine Porsche Rear Lid Damper (Part Number: 98151255107) is an original equipment gas-filled support strut designed for Porsche Cayman models, specifically for vehicles without a rear window wiper (Option Code: 426). Also known as a rear tailgate gas strut or rear hatch support, this component helps lift and securely support the rear lid when opened, providing smooth and controlled operation.
Sold individually. Two dampers are required per vehicle when replacing both left and right sides. Replacing both together is recommended when they have weakened with age.

Fits:
Porsche 981C Cayman 2014 - 2016
Porsche 982C (718) Cayman 2017 >>
 * for cars without rear window wiper (option code: 426)

Diagram ref no 3

Manufactured to Porsche's original specifications, the damper offers precise fitment, reliable lifting assistance and long-lasting performance. It is an ideal replacement for worn or weakened original gas struts, restoring convenient and safe access to the rear luggage compartment.

This part replaces the earlier Porsche part numbers 98151255103 and 98151255105.

What Does This Part Do? – Functions
  • Lid Support: Holds the rear lid securely in the open position.
  • Lifting Assistance: Reduces the effort required to open the rear hatch.
  • Controlled Movement: Provides smooth and stable lid operation.
  • Safety: Helps prevent the rear lid from closing unexpectedly.
  • Original Fitment: Maintains factory-correct operation and installation.

Why Replace This Part?
Over time, rear lid gas dampers can lose pressure due to ageing, frequent operation and temperature changes. A weakened damper may struggle to support the rear hatch, causing it to close unexpectedly or become difficult to lift.

Replacing a worn damper with a genuine Porsche component restores proper lifting assistance, secure lid support and smooth operation, helping maintain safety and everyday convenience.

When to Replace This Part?
  • Weak Support: Rear lid struggles to remain open.
  • Unexpected Closing: Hatch slowly lowers or drops without warning.
  • Difficult Opening: Increased effort required to lift the lid.
  • Visible Damage: Bent, corroded or leaking gas strut.
  • Worn Performance: Reduced lifting assistance or inconsistent operation.

Where Does It Fit on the Car?
Location: Rear body – rear hatch / tailgate assembly.

The gas-filled damper is fitted between the rear hatch and the vehicle body, supporting the lid during opening and closing.

It is suitable for installation on either the left-hand or right-hand side of the vehicle.


Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

98151255107
98151255103
98151255105
98151255107

The product you are viewing cross references to these numbers
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About Rear Lid Damper

Maintain your Porsche’s quality and convenience with rear lid dampers from Design911. Our collection includes OEM-spec gas struts, lift supports, and replacement dampers engineered for precision fitment across classic and modern Porsche models. Whether for an air-cooled 911, Boxster, or Taycan, these dampers provide smooth, controlled motion for your rear engine lid or boot, preventing sudden drops and ensuring safe, reliable operation. Built from corrosion-resistant materials and rigorously tested for longevity, Design911 rear lid dampers deliver OEM-level performance and seamless installation — restoring the perfect Porsche finish and functionality.

OEM & Genuine Porsche Rear Lid Dampers
Factory-approved Porsche rear lid and engine cover dampers. Engineered to exact specifications for precise movement and long-lasting durability.

Aftermarket & Performance Dampers
Premium aftermarket alternatives designed for enhanced strength, smoother action, and extended service life in demanding environments.

Engine Lid Gas Struts
High-pressure gas struts for Porsche rear engine lids and tailgates. Ensure stable lifting and controlled descent during maintenance and access.

Boot & Tailgate Dampers
Reliable rear boot lid supports for Porsche coupes, sedans, and SUVs. Perfect for safe, hands-free access and everyday convenience.

Classic Porsche Rear Lid Struts
Replacement dampers for vintage Porsche models such as the 911 Classic, 944, and 928. Maintain original fitment and authentic performance.

Mounting Kits & Hardware Accessories
Complete damper kits including mounting brackets, bolts, and clips for easy installation and secure attachment to factory mounting points.

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